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n.低频
adj.低频的
1、low───vi.牛叫；adv.低声地；谦卑地，低下地；n. (Low)（英、德）洛（人名）；n.低；低价；低点；牛叫声；adj.低的，浅的；卑贱的；粗俗的；消沉的
2、frequency range───频带; 频段；[电子][通信]频率范围
3、frequency modulation───调频
4、frequency equation───频率方程
5、frequency───n.频率；频繁
6、frequency polygon───[统计]频数多边形
7、cutoff frequency───截止频率
8、frequency generator───[计]频率发生器
9、cumulative frequency───[统计]累积频率，[电子]累积频数
1、The properties of high frequency hydraulic shaking table are high speed, easy to install and having huge force in low frequency.───电液伺服振动台的特点是低频时推力大、响应速度快、重量轻、易安装等等。
2、The researchers pointed out that low-frequency processes, such as fluctuations in stream flow and groundwater levels, would not usually be apparent to human populations.───研究人员指出，低频过程诸如河流流量和地下水水位的波动，通常不会对人类产生明显影响。
3、A sound with a high frequency is said to be high-pitched and a sound with a low frequency is low-pitched.───高频率的声音有较高的音调，低频率的声音音调则较低。
4、On the contrary, the SCS summer monsoon tends to be weak when the inactive state is dominant for the low frequency oscillation.───反之，如果不活跃状态处于主导时，南海夏季风往往会偏弱。
5、What is needed is a system that USES low-frequency radio waves.───这需要的是一种利用低频无线电波的XiTong。
6、This work is of great significance to understand the outer orientation technology with low-frequency electromagnetic waves.───这对进一步了解低频电磁波外定位技术有重要意义。
7、Quite a few of the low-frequency oscillations reported at home and abroad are due to large disturbances.───国内外报道的低频振荡事故中，有不少是由大扰动激发后出现的。
8、This focusing is the main reason that even relatively weak sounds in the ocean, especially low-frequency ones, can often travel thousands of miles.───海洋中即使是相对微弱的声音，尤其是低频声音，也能传播数千英里的主要原因就是这种聚焦。
9、In the paper, three field circuit ground protections with low frequency voltage injection which have been used are introduced.───文章对国内目前已经投入运行的三种低频电压注入式励磁回路接地保护进行介绍。
1、The proposed method is based on low-frequency signal injection, where a low frequency stator current signal is injected and the corresponding angle error is detected to estimate the rotor speed.
2、Purpose: For low-frequency power amplification.
3、Low-frequency pseudo Rayleigh wave (high velocity)can be used to estimate shear wave attenuation, then permeability in original state formation.
4、Whales use low-frequency calls to locate each other.
5、Of particular interest are waves that simulate low-frequency motions and that help to establish and maintain the equatorial current system.
6、And the low-frequency broadband noise of the propeller is produced by the interaction between the blades and stern turbulence field.
7、Differential Pulse Code Modulation is adopted for the low-frequency sub-images with most energy, which are called the 1st level.
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9、The high-precision constant current source low-frequency rectangular wave excitation is adopted to ensure the stable magnetic field.